Alert archive / Texas / Mesoscale Discussions in 2026
Mesoscale Discussion 608
The Storm Prediction Center issued this mesoscale discussion at Apr 28, 2026, 7:02 PM CDT for 7 counties in Texas. It was in force for 118 min.
The area
The outline as issued.
The facts
- Issued
- Apr 28, 2026, 7:02 PM CDT (00:02 UTC)
- Expired
- Apr 28, 2026, 9:00 PM CDT
- In force
- 118 min
- Issued by
- the Storm Prediction Center
- Concerning
- Tornado watch 171
Counties Ellis County, TX, Erath County, TX, Hill County, TX, Hood County, TX, Johnson County, TX, Navarro County, TX, Somervell County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 41 km from the middle of the area, began a volume at 00:01 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Shreveport, LA (KSHV), launched 00:00Z, 0.0 hours before the alert went out and 357 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 2442 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 1317 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 221 m²/s²
- 0-3 km storm-relative helicity
- 537 m²/s²
- Significant tornado parameter
- 4.8
- Supercell composite
- 35.0
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 7:50 PM CDT | Tornado Watch | SPC | Anderson, Falls, Freestone, Henderson, Houston, Leon and 5 more | 5 hr |
| Apr 28, 9:28 PM CDT | Mesoscale Discussion | SPC | Falls, Freestone, Hill, Leon, Limestone, McLennan and 1 more | 2 hr |
| Apr 29, 10:21 AM CDT | Mesoscale Discussion | SPC | Bowie, Camp, Cass, Delta, Franklin, Gregg and 16 more | 114 min |
| Apr 29, 11:16 AM CDT | Severe Thunderstorm Watch | SPC | Anderson, Bosque, Bowie, Camp, Cass, Cherokee and 33 more | 10 hr |
| Apr 29, 12:54 PM CDT | Mesoscale Discussion | SPC | Bandera, Bexar, Blanco, Caldwell, Comal, Edwards and 12 more | 2 hr |
| Apr 29, 1:37 PM CDT | Mesoscale Discussion | SPC | Anderson, Bosque, Bowie, Camp, Cass, Cherokee and 34 more | 113 min |
| Apr 29, 3:53 PM CDT | Severe Thunderstorm Watch | SPC | Bandera, Crockett, Dimmit, Edwards, Frio, Kerr and 10 more | 8 hr |
| Apr 29, 5:20 PM CDT | Mesoscale Discussion | SPC | Sabine, San Augustine, Shelby | 115 min |
| Apr 29, 5:50 PM CDT | Mesoscale Discussion | SPC | Bandera, Dimmit, Edwards, Frio, Kerr, Kinney and 7 more | 85 min |
Nearby
Mesoscale Discussions in Texas, 2026Every mesoscale discussion in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.